(19)

(11)

EP 1 725 946 A2

(12)

(88) Date of publication A3: 02.02.2006 (43) Date of publication: 29.11.2006 Bulletin 2006/48 (21) Application number: 05724113.5 (22) Date of filing: 25.02.2005

(51) International Patent Classification (IPC):  G06F 15/173(2006.01) (86) International application number: PCT/US2005/006503 (87) International publication number: WO 2005/091901 (06.10.2005 Gazette 2005/40)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 10.03.2004 US 552000 P (71) Applicant: ENTERASYS NETWORKS, INC. Andover, MA 01810 (US)	(72) Inventors: FRATTURA, David, E. New York, NY 10011 (US) GRAHAM, Richard, W. Derry, NH 03038 (US) (74) Representative: Jones, Graham Henry  Graham Jones & Company 77 Beaconsfield Road Blackheath, London SE3 7LG Blackheath, London SE3 7LG (GB)